Table 2.
Protein expression of STEAP1 in human osteosarcoma tissues.
| N | STEAP1 low (-/+) |
STEAP1 high (++/+++) |
X2 | P | |||
|---|---|---|---|---|---|---|---|
| n | % | n | % | ||||
| Normal tissue | 60 | 52 | 86.7 % | 8 | 13.3 % | 95.1 | <0.01 |
| Fibrous dysplasia | 70 | 55 | 78.6 % | 15 | 21.4 % | ||
| Osteosarcoma | 160 | 40 | 25.0 % | 120 | 75.0 % | ||
| Pathological type | 1.0 | >0.05 | |||||
| Fibroblastic osteosarcoma | 56 | 13 | 23.2 % | 43 | 76.8 % | ||
| Osteoblastic osteosarcoma | 54 | 12 | 22.2 % | 42 | 77.8 % | ||
| Chondroblastic osteosarcoma | 50 | 15 | 30.0 % | 35 | 70.0 % | ||
| Cell differentiation | 24.3 | <0.01 | |||||
| High and intermediate | 82 | 34 | 41.5 % | 48 | 58.5 % | ||
| Low | 78 | 6 | 7.7 % | 72 | 92.3 % | ||
| Nodal status | 23.5 | <0.01 | |||||
| Positive | 96 | 11 | 11.5 % | 85 | 88.5 % | ||
| Negative | 64 | 29 | 45.3 % | 35 | 54.7 % | ||